- Standard-risk stratum: Patients undergo surgical biopsy. Patients at least 6 months of age receive 1 course of chemotherapy comprising cisplatin IV and etoposide IV continuously on days 1-4 and vindesine IV over 1 hour on day 1. Patients then receive 1 course of chemotherapy comprising vincristine IV over 1 hour on days 1 and 8, dacarbazine IV over 1 hour on days 1-5, ifosfamide IV continuously on days 1-5, and doxorubicin IV over 4 hours on days 6 and 7.